<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>创建页面</title>
</head>
<body>
    <h1>一级标题</h1>
    <h2>二级标题
    </h2>
    <h3>
三级标题
    </h3>
    啊啊
    <a href="www.baidu.com">点击</a>
</body>
</html>